منابع مشابه
Ultraviolet light and pterygium.
The purpose of this study was to evaluate the contribution of ultraviolet light (UV) as a causal factor of primary and pterygium recurrence. A conjuctival autograft transplantation was a surgical method of pterygium treatment. In the first group (38 eyes) were patients with primary and recurrent pterygium exposed to sun (worked outdoors), evaluating geodemographic status, and in the second grou...
متن کاملUltraviolet Light
Ultraviolet light (UV) is a recognized disinfection alternative to chlorine and ozone in many applications from drinking water to wastewater treatment. UV provides effective disinfection without production of problematic disinfection byproducts. Information on the mechanism and application of UV for drinking water disinfection is presented. Advantages and disadvantages of the technique are disc...
متن کاملHyperthermia induces resistance to ultraviolet light B in primary and immortalized epidermal keratinocytes.
Environmental exposure to UVB (290-320 nm) wavelengths of the solar spectrum causes major damage, including carcinogenesis, in the skin. Therefore, cellular responses that protect against UVB damage are of particular interest in cutaneous epithelial cells. In cultured keratinocytes, mild hyperthermia generates a classical stress response with acquired thermotolerance and elevated stress protein...
متن کاملUltraviolet Light and Reptiles, Amphibians
Ultraviolet lighting is integral for the growth and maintenance of many reptile and amphibian species. But providing an adequate source of light can be challenging. Many disease processes seen by veterinarians are attributed to ultraviolet lighting deficiencies. In mammals, disease due to excess ultraviolet lighting has been noted, and some veterinarians feel this may be a potential issue in re...
متن کاملAnalysis of cell kinetics during ultraviolet light-induced epidermal carcinogenesis in hairless mice.
plastic epidermis and in lesions of squamous cell carcinoma. The growth fraction in control unirradiated mice was also 100%. The duration of TV and S decreased progressively with induction and progression of the tumor. For normalappearing epidermis of irradiated mice and epidermis of control mice, TVand S were approximately 95 and 6.2 hr, respectively. With the induction of hyperplasia, TV and ...
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 1974
ISSN: 0022-202X
DOI: 10.1111/1523-1747.ep12680332